import { Component, OnInit } from '@angular/core';
import { Hero } from '../hero';
import { HeroService } from '../hero.service';
import { MessageService } from '../message.service';

@Component({
  selector: 'app-heroes',
  templateUrl: './heroes.component.html',
  styleUrls: ['./heroes.component.css'],
})
export class HeroesComponent implements OnInit {
  constructor(
    private heroService: HeroService,
    private messageService: MessageService
  ) {}

  ngOnInit(): void {
    this.getHeroes();
  }

  getHeroes(): void {
    const ob = this.heroService.getHeroes();
    // const observer = {
    //   complete: () => console.log('done'),
    //   next: (v: Hero[]) => {
    //     this.heroes = v;
    //   },
    //   error: () => console.log('error'),
    // };
    ob.subscribe((heros) => {
      this.heroes = heros;
    }); //(observer);
  }

  add(name: string): void {
    name = name.trim();
    if (!name) {
      return;
    }
    this.heroService.addHero({ name } as Hero).subscribe((hero) => {
      this.heroes.push(hero);
    });
  }

  delete(hero: Hero): void {
    this.heroes = this.heroes.filter((h) => h !== hero);
    this.heroService.deleteHero(hero.id).subscribe();
  }

  heroes: Hero[] = [];
}
